package com.itheima.servlet;
/*
学生登录

*/

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/loginStudentServlet")
public class LoginStudentServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//1.获取用户名和密码
        String username = req.getParameter("username");
        String password = req.getParameter("password");

        //2.判断用户名
        if (username == null || "".equals(username)) {
            resp.sendRedirect("/stu/login.jsp");//重定向
            return;
        }
        req.getSession().setAttribute("username", username);
        resp.sendRedirect("/stu/index.jsp");
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
